VENTURA COUNTY
6AM - 11:30PM • MOBILE SERVICE •
Call or Text (805) 790-8162
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Fast Response Locksmith

2010 Cadillac STS
Key Replacement - Save vs Dealer in Ventura County

No Towing Required | We Bring the Shop

Available
2010 Cadillac STS Smart Key
Smart Key

You shouldn't have to take a day off work for a car key. Our mobile service meets you at your location on your schedule. Most appointments available same day.

CA BSIS LICENSE LCO#6792
Service at Your Door No Appointments On Your Schedule
Fast Response15-25
min arrival
1,000+reviews
See why they skip the dealer113KSubscribers
Stranded without a 2010 Cadillac STS key? EZ Car Keyz Oxnard CA can help
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • Oxnard, CA
15+
Yrs Exp
Stranded without a 2010 Cadillac STS key? EZ Car Keyz Oxnard CA can help
Key specialists
Key Specialists
Fully equipped mobile unit - all makes and models
Fixed pricing
At Your Location
Home, office, parking lot - wherever you are
Fast mobile service
No Towing Needed
We handle everything on-site, even all-keys-lost
805 Special
10% OFFCODE:EZ-805-2026

🔥 No dealer trip, plus a discount 🔥

Use at home, office, or roadside
REDEEM (805) 790-8162

2010 Cadillac STS
Key Options

Dealer-grade key for a fair, honest price

Push To Start
Most popular Cadillac key typeMost Popular
2010 Cadillac STS Smart Key M3N5WY7777A
FCC IDM3N5WY7777APart #25943676Buttons5BatteryCR2032Frequency315 MHzRemote StartYes
✓ In Stock · Programmed On-Site
Transponder Key
2010 Cadillac STS Transponder Key
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Smart Key
2010 Cadillac STS Smart Key
FCC IDPart #25995382ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Emergency 2010 Cadillac STS key fob made from scratch by EZ Car Keyz Oxnard CA
Skip the Dealer Markup
Professional key, honest rate
Emergency 2010 Cadillac STS key fob made from scratch by EZ Car Keyz Oxnard CA
🔧 PRO TIP
The 2010 STS smart key (M3N5WY7777A, part 25943676) runs on GM's PK3+ theft deterrent system through the Body Control Module, same architecture as a Chevy Impala or Buick Lucerne of the same era. There is no secret Cadillac-only security layer. A weak CR2032 will trigger "No Remote Key Detected" on the DIC and kill passive entry range before the battery is fully dead. Swap the CR2032 first, every time.
Related services: Ignition Repair · Smart Key

Your Cadillac STS Key at Your Location

Your driveway vs their service bay

EZ Car Keyz
EZ Car Keyz
Dealership
Average Cost
✓ $$
✕ $$$$
Location
✓ We come to you
✕ You drive there
Wait Time
✓ 20-45 min
✕ 2-5 days
Same-Day
✓ Yes
✕ Rarely
All Keys Lost
✓ No problem
✕ Tow required
OEM Quality
✓ Yes
✓ Yes
EZ Car Keyz wins 5 out of 6
We bring the shop to you
Book Service (805) 790-8162

2010 Cadillac STS Smart Key Replacement - Fast, Affordable & Professional

Over near Proctor Street Plaza in Oxnard, a guy's 2010 STS was sitting in his driveway at about 1:30 in the morning with the push-to-start refusing to see his fob. He had already pulled up flatbed prices on his phone, ready to get it towed to the dealer whenever they opened.

I told him to stay put.

Got there, popped my Smart Pro onto the OBD-II port under the dash, and ran the GM PK3+ all-keys-lost procedure through the BCM. His fob was the 5-button M3N5WY7777A proximity key. The security access cycle on these has a mandatory timed countdown, so there is a short wait built into the process, but it all happens right there in the driveway. No lift. No shop bay.

He stood behind me watching the whole thing on the tool screen. When the STS accepted the fob and the engine turned over, he just kind of stared at the steering wheel for a second. I think he had already mentally committed to a full dealer day.

Walked all four doors for passive entry, tested the trunk release, confirmed remote start. Everything clean. He was back inside his house before 2 AM. The dealer would have meant a tow, a wait until business hours, and a bill for way more than what I charged him on his own driveway.

Save vs the Dealer on Your Cadillac STS Key

Get your key for hundreds less than the dealer. Same quality, same result, better price.

Get Pricing (805) 790-8162 Text Us
BSIS Licensed Locksmith - California License LCO#6792
BSIS Licensed
CA Bureau of Security & Investigative Services
NASTF Certified Automotive Locksmith - Vehicle Security Professional
NASTF Certified
National Automotive Service Task Force
Fully Insured Locksmith - Hiscox Liability and Vehicle Damage Coverage
Fully Insured
Liability & vehicle damage coverage
Google Guaranteed Locksmith - Verified and Background Checked
Google Guaranteed
Verified & backed by Google
Also serving: Blackstock · Carriage Square · Channel Islands Harbor · College Estates

Cadillac STS Rapid Response, Done Right

Rapid response in the field

All keys lost service for 2010 Cadillac STS by EZ Car Keyz Oxnard CA
Smart Key | Rapid On-Site Service
2010 Cadillac STS | Ventura County
All keys lost service for 2010 Cadillac STS by EZ Car Keyz Oxnard CA
2010 Cadillac STS Smart Key
2010 Cadillac STS
Smart Key | Made at Your Door
Estimated arrival time to Oxnard
We Come to You
Rapid Arrival
Available Today
Service location Oxnard
Oxnard
We Come Here
805 Area
Same-Day Keys (805) 790-8162

Cadillac Customers Love the Convenience

What doorstep service looks like in reviews

G
Guillermo C.
Dec 2025
★★★★★

“I called EZ Car Keyz to unlock my truck, make a key, and sync a new key fob. They were at my location within minutes and handled everything fast and friendly. Prices were great and the service was excellent.”

Google Review
G
Gregorio P.
May 2021
★★★★★

“Steve was incredibly helpful when I lost my car keys. He came out the exact same day and I only waited about 30 minutes. I really needed to get to work and he completely saved me.”

Google Review
A
Antoine M.
Dec 2025
★★★★★

“I am very pleased with the value of the service I received from Marco at EZ Car Keyz. They arrived extremely fast, opened my door in no time, and the price was right on point.”

Google Review
Watch real savings, real jobs62KFollowers
Locked out rescue review for 2010 Cadillac STS - EZ Car Keyz Oxnard CA
“Real savings, real reviews.”
Locked out rescue review for 2010 Cadillac STS - EZ Car Keyz Oxnard CA
5.0 out of 5 - Based on Over 1,000 five-star Google reviews
Best Price (805) 790-8162

Cadillac STS Mobile Service FAQ

Real costs, no dealer surprises

What is the cheapest way to replace my 2010 Cadillac STS smart key?
Call a mobile locksmith before you call the dealer. The STS uses the same GM PK3+ platform as a dozen other GM vehicles from that era, so the programming side is well-supported outside the dealership. Cadillac dealers typically quote high for a single proximity fob replacement, and that does not include the tow if your car cannot start. With EZ Car Keyz, I come to you in Oxnard, program the M3N5WY7777A fob on site, and the total is a fraction of what the dealer wants. No tow line item, no waiting for a service bay to open.
How much more does an all-keys-lost job cost compared to adding a spare?
Are aftermarket smart key fobs reliable on the 2010 STS?
My 2010 STS shows "Service Theft Deterrent System" on the dash. Is my key bad?
The passive entry works on the driver door but not the passenger. Is the fob failing?
Questions? Call (805) 790-8162

Cadillac STS Key Service Areas

Home, work, or roadside in any city

📍Ventura County & SB
Ventura County service area map
805 LOCAL LOCKSMITH
need a key? 🔑
Santa Barbara
Santa BarbaraETA 30-35 min
Goleta
GoletaETA 30-35 min
Isla Vista
Isla VistaETA 30-35 min
Montecito
MontecitoETA 25-30 min
Carpinteria
CarpinteriaETA 20-25 min
Ojai
OjaiETA 20-25 min
Ventura
VenturaETA 10-15 min
Santa Paula
Santa PaulaETA 20-25 min
Fillmore
FillmoreETA 25-30 min
Oxnard
OxnardETA 10-15 min
Port Hueneme
Port HuenemeETA 10-15 min
Camarillo
CamarilloETA 15-20 min
Moorpark
MoorparkETA 25-30 min
Simi Valley
Simi ValleyETA 30-35 min
Thousand Oaks
Thousand OaksETA 20-25 min
Santa BarbaraGoletaMontecitoCarpinteriaOjaiVenturaSanta PaulaFillmoreOxnardPort HuenemeCamarilloMoorparkSimi ValleyThousand Oaks
Lockout rescue coverage for 2010 Cadillac STS in Ventura County CA
Lockout rescue coverage for 2010 Cadillac STS in Ventura County CA
Stranded in Ventura County? We respond fast

We come to your exact location in any of these cities

SOS Call (805) 790-8162
Filmed on Location
Cadillac STS car key replacement video
113K+ Chose EZ Car Keyz

Skip the Dealer, We Drive to You

Your car stays where it is. We drive to you with all the tools and key blanks on board.

Locked out of your 2010 Cadillac STS? Get help from EZ Car Keyz Oxnard CA
Need a key?
Available 6AM - 11:30PM | 7 Days a Week
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Car Key
Ventura County